The answer is macrophages. They either actively invade these leukocytes or are phagocytosed, divide in the cells and cause lysis. The promastigotes that invade these leucocytes are transformed into amastigotes in the macrophages. These amastigotes continue attacking other healthy macrophages while others migrate to the mid gut.
Charles Darwin theorized that all species undergo a natural cycle of evolution in order for the species to survive and thrive within its given environment. In the case of a catastrophic event, Mother Nature will naturally find a way to support life and the organisms that are within her care.
Answer:
C
Explanation:
after doing the genetic cross the parents will be TT so when you cross you get all are Tt if you cross F1 you get a ratio of
1tall:2heterozygous tall:1short
so tall are 75%and short is 25%
